fix(aliases): update gbackup alias to handle upstream push errors gracefully

ssh/.ssh/config.d/40-proxy.conf

@@ -2,15 +2,16 @@ Host ru-vps
     HostName 157.22.231.198
     Port 3422
     User ada
+    Port 3422
     ServerAliveInterval 30
     ServerAliveCountMax 3
-    IdentityFile /home/ada/.dotfiles/ssh/.ssh/keys/homelab_ssh.pub
+    IdentityFile /home/ada/.ssh/id_ed25519_homelab
 
 Host fl-vps
     HostName 89.167.32.245
     Port 4322
     User ada
-    IdentityFile /home/ada/.dotfiles/ssh/.ssh/keys/fl-vpn.pub
+    IdentityFile /home/ada/.ssh/id_ed25519_flvpn
     ProxyJump ru-vps
     ServerAliveInterval 30
     ServerAliveCountMax 3

zsh/.config/zsh/config/aliases.zsh

@@ -174,3 +174,4 @@ alias sshvpn='sshuttle --dns -r fl-vps 0/0 -X ~/.dotfiles/configs/.exclude-ip.tx
 alias sshp-fg='ssh -D 127.0.0.1:1080 fl-vps -v sleep 9999'
 
 alias gbackup='git add . && git commit -m "backup: $(date +"%Y-%m-%d %H:%M")" && git push && git push upstream'
+alias gbackup='git add . && git commit -m "backup: $(date +"%Y-%m-%d %H:%M")" && git push && git remote get-url upstream &>/dev/null && git push upstream || true'